A 5-year-old girl presents to the emergency department with a severe headache and projectile vomiting for the past 4 hours without any history of fever. Her mother denies any history of trauma to the head or any recent infection or vaccination, and she states that her daughter did not have a fever or chills. Her mother also reports no diarrhea or signs of abdominal pain accompanying the vomiting episodes. She expresses concern that her daughter is barely using her left arm and seems to have developed a limp in her gait recently, mainly supporting herself with her right leg.She is the product of a full-term pregnancy and was delivered vaginally, with a negative prenatal and neonatal history.
She has been followed by a pediatrician since her delivery and has displayed a normal growth pattern. She has met all developmental milestones with no delays. All vaccinations are up to date.mother…
